x265: fix build on aarch64 #100807
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x265: fix build on aarch64 #100807
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Found an upstream issue: https://bitbucket.org/multicoreware/x265_git/issues/554 |
lovesegfault
approved these changes
Oct 20, 2020
flokli
requested changes
Oct 20, 2020
| @@ -34,9 +34,13 @@ let | |||
| sha256 = "1jzgv2hxhcwmsdf6sbgyzm88a46dp09ll1fqj92g9vckvh9a7dsn"; | |||
| }; | |||
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| patches = stdenv.lib.optionals stdenv.hostPlatform.isAarch64 [ | |||
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patches shouldn't be conditional on a specific architecture - assuming the patch won't apply after a bump, this will lead to silent breakages.
If this patch doesn't break other arches, it should just be applied independent of architecture
| @@ -34,9 +34,13 @@ let | |||
| sha256 = "1jzgv2hxhcwmsdf6sbgyzm88a46dp09ll1fqj92g9vckvh9a7dsn"; | |||
| }; | |||
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| patches = stdenv.lib.optionals stdenv.hostPlatform.isAarch64 [ | |||
| ./0001-dynamicHDR10-update-CMakeLists.txt-for-aarch64-suppo.patch | |||
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Please don't bundle patches in nixpkgs, if they can be sent upstream, and fetchpatched in here.
When doing so, please also add a comment pointing to the upstream PR.
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Motivation for this change
Fixing aarch64 build of x265 after #98091.
I'll send the patch upstream when I figure out how to do so.
As for the high bit rate support, the header file for aarch64 assembly doesn't include the the prefixed versions (
x265_10bit,x265_12bit) from which I conclude it is not supported. Since it seems like it has to be explicitly implemented I made this a whitelist of justisx86_64.Things done
sandboxinnix.confon non-NixOS linux)aarch64-linuxonly)nix-shell -p nixpkgs-review --run "nixpkgs-review wip"./result/bin/)nix path-info -Sbefore and after)